Basis of Presentation - Schedule of Change in Accounting Estimate (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||
| Increase/(decrease) to Revenue | $ 186 | $ (91) | $ 66 | $ (397) |
| (Decrease) to Earnings/Increase to (loss) from operations | $ (105) | $ (206) | $ (486) | $ (544) |
| Increase to Diluted loss per share (in dollars per share) | $ (0.15) | $ (0.28) | $ (0.68) | $ (0.74) |